All businesses were operating during the interim period, the contractor said, with average month-end cash for the six month period improving slightly to £158mln from £141m in the previous half-year.
Cash as of December 31, 2020, was £209mln (June 30, 2020: £197mln) with an order book worth £3.3bn, which was up slightly on £3.2bn at end June.
Recent contracts have included positions on the Thames Water's £590mln AMP 7 framework, the £10.5bn NHS Shared Business Services framework and the £2.1bn Construction West Midlands framework.
In a statement, Bill Hocking, Galliford Try chief executive, said he was pleased with the trading performance over the past six months given the difficult backdrop.
“Despite the ongoing challenges from Covid-19, our strong balance sheet, market-leading sector positions and high-quality order book give me confidence in our future performance."